hit0ri

docker run --rm -t -p 127.0.0.1:8080:80 traefik/whoami
docker run --rm -t -p 127.0.0.1:8080:9376 registry.k8s.io/serve_hostname

hit0ri

DEBIAN_FRONTEND=noninteractive apt-get update -qq
DEBIAN_FRONTEND=noninteractive apt-get upgrade -y -qq
DEBIAN_FRONTEND=noninteractive apt-get install -y -qq wireguard
curl -fsSL https://get.docker.com | sh
gpasswd -a ubuntu docker
sed -i 's|//Unattended-Upgrade::Remove-Unused-Dependencies.*$|Unattended-Upgrade::Remove-Unused-Dependencies "true";|' /etc/apt/apt.conf.d/50unattended-upgrades
sed -i 's|\("^linux-image.*\)|//\1|' /etc/apt/apt.conf.d/01autoremove

cat > /etc/systemd/system/wg-gen-web.path <<-EOF

hit0ri

w
dmesg -exL
vmstat 1
mpstat -P ALL 1
pidstat 1
iostat -xz 1
free -h
sar -n DEV 1
sar -n TCP,ETCP 1
top

hit0ri

Keybase proof

I hereby claim:

• I am hit0ri on github.
• I am hit0ri (https://keybase.io/hit0ri) on keybase.
• I have a public key ASAFxDE4d6bD-uf2l9Sms6h5h6sxhnNtc_2XnMv3l7ZkmAo

To claim this, I am signing this object:

hit0ri

INPUT 
SETTINGS

These fonts have been customized with the settings below. You can further customize 
your fonts with the inputCustomize.py command-line tool found in this package, or 
by re-downloading the fonts at <http://input.fontbureau.com/download>.


        Four Style Family
                Regular: InputMono-Regular.ttf

hit0ri

rate                     25000
cl_updaterate            100
cl_cmdrate               100
ex_interp                .1

_cl_autowepswitch        0
_snd_mixahead            .1
brightness               2
cl_allowdownload         1
cl_crosshair_color       "255 228 181"

hit0ri

version: '3'

services:

  proxy:
    image: traefik
    command:
      - --docker
      - --api
    ports:

hit0ri

FROM python:alpine
RUN apk add --no-cache lapack libstdc++ freetype \
    && apk add --no-cache --virtual .build build-base gfortran freetype-dev lapack-dev
WORKDIR /usr/src/app
COPY find3/server/ai .
RUN pip3 install --no-cache-dir scipy \
    && pip3 install --no-cache-dir -r requirements.txt \
    && apk del .build
WORKDIR /usr/src/app/src
ENV LC_ALL=C.UTF-8 LANG=C.UTF-8 FLASK_APP=server.py FLASK_DEBUG=0

hit0ri

Host perf analysis in 60s

https://youtu.be/89fYOo1V2pA?t=2543

1. load averages: w or uptime
2. kernel errors: dmesg -xTL | tail
3. overall stats by time: vmstat 1
4. CPU balance: mpstat -P ALL 1
5. process usage: pidstat 1
6. disk I/O: iostat -xz 1

hit0ri

#!/bin/bash

msg() {
    printf -- '%s\n' "$@"
}

err() {
    printf -- 'error: %s\n' "$@" >&2
    exit 1
}